/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, sans-serif;
        }

        :root {
            --primary: #1a3a6c;      /* 深蓝 - 企业主色 */
            --secondary: #2a5680;    /* 中蓝 - 辅助色 */
            --accent: #42a5f5;       /* 亮蓝 - 强调色 */
            --light: #e6f0ff;        /* 浅蓝 - 背景色 */
            --dark: #0a1e37;         /* 深蓝 - 文字色 */
            --text: #333;            /* 正文文字 */
            --text-light: #666;      /* 辅助文字 */
            --white: #ffffff;        /* 白色 */
            --gray: #f5f7fa;         /* 浅灰背景 */
            --shadow: rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border: 1px solid #d0e0f0;
        }

        body {
            background-color: var(--gray);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            padding: 0;
            margin: 0;
            overflow-x: hidden;
        }

        /* 容器样式 */
        .ups-container {
            max-width: 1800px;
            margin: 100px auto;
            padding: 0 40px;
            width: 100%;
        }

        /* 面包屑导航 */
        .ups-breadcrumb {
            background: var(--white);
            border-radius: 8px;
            padding: 15px 30px;
            box-shadow: 0 2px 15px rgba(42, 86, 128, 0.05);
            margin: 20px 0;
            font-size: 14px;
            display: flex;
            align-items: center;
            border: var(--border);
        }

        .ups-breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
            white-space: nowrap;
        }

        .极s-breadcrumb a:hover {
            color: var(--accent);
        }

        .ups-breadcrumb span:last-child {
            color: var(--text-light);
            padding: 5px 0;
            white-space: nowrap;
        }

        .ups-separator {
            margin: 0 12px;
            color: #cbd5e1;
        }

        /* 页面标题 */
        .ups-page-header {
            text-align: center;
            margin-bottom: 60px;
            padding: 0 20px;
        }

        .ups-page-title {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 25px;
            line-height: 1.3;
            font-weight: 700;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .ups-page-subtitle {
            font-size: 22px;
            color: var(--text-light);
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 选项卡导航 */
        .ups-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 60px;
            border-bottom: var(--border);
        }

        .ups-tab-btn {
            padding: 22px 50px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            background: transparent;
            border: none;
            border-bottom: 4px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            outline: none;
        }

        .ups-tab-btn.active {
            color: var(--primary);
            border-bottom: 4px solid var(--accent);
        }

        .ups-tab-btn:hover:not(.active) {
            color: var(--accent);
        }

        /* 选项卡内容 */
        .ups-tab-content {
            display: none;
            background: var(--white);
            border-radius: 16px;
            padding: 70px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            margin-bottom: 10px;
            border: var(--border);
        }

        .ups-tab-content.active {
            display: block;
        }

        /* 合作伙伴介绍 */
        .ups-partner-intro {
            display: flex;
            gap: 80px;
            margin-bottom: 80px;
            align-items: center;
        }

        .ups-partner-image {
            flex: 1;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            position: relative;
            height: 500px;
        }

        .ups-partner-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

        .ups-partner-image:hover img {
            transform: scale(1.03);
        }

        .ups-partner-text {
            flex: 1;
        }

        .ups-partner-title {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 30px;
            line-height: 1.4;
            font-weight: 700;
        }

        .ups-partner-desc {
            font-size: 20px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 40px;
        }

        .ups-benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin: 50px 0;
        }

        .ups-benefit-item {
            display: flex;
            gap: 20px;
            padding: 25px;
            background: var(--light);
            border-radius: 12px;
            transition: var(--transition);
        }

        .ups-benefit-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }

        .ups-benefit-icon {
            flex: 0 0 60px;
            height: 60px;
            background: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.08);
        }

        .ups-benefit-icon img {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }

        .ups-benefit-content h4 {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .ups-benefit-content p {
            font-size: 18px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 合作伙伴类型 */
        .ups-partner-types {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin: 80px 0;
        }

        .ups-type-card {
            background: var(--white);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            border: var(--border);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .ups-type-card.featured {
            transform: scale(1.05);
            border: 2px solid var(--accent);
            box-shadow: 0 15px 40px rgba(66, 165, 245, 0.2);
            z-index: 2;
        }

        .ups-type-card.featured:before {
            content: "推荐";
            position: absolute;
            top: 20px;
            right: -35px;
            background: var(--accent);
            color: var(--white);
            padding: 8px 40px;
            font-size: 16px;
            font-weight: 700;
            transform: rotate(45deg);
        }

        .ups-type-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .ups-type-card.featured:hover {
            transform: scale(1.05) translateY(-10px);
        }

        .ups-type-icon {
            width: 100px;
            height: 100px;
            background: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
        }

        .ups-type-icon img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        .ups-type-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            font-weight: 700;
        }

        .ups-type-desc {
            font-size: 18px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 30px;
        }

        .ups-type-list {
            text-align: left;
            margin-bottom: 30px;
        }

        .ups-type-list li {
            padding: 12px 0;
            border-bottom: var(--border);
            font-size: 17px;
            display: flex;
            align-items: center;
        }

        .ups-type-list li img {
            width: 20px;
            height: 20px;
            margin-right: 10px;
        }

        /* 申请表单 */
        .ups-apply-section {
            background: var(--white);
            border-radius: 16px;
            padding: 60px;
            margin-top: 10px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            border: var(--border);
        }

        .ups-apply-section:before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: var(--light);
            border-radius: 50%;
            opacity: 0.3;
        }

        .ups-apply-title {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .ups-apply-form {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .ups-form-group {
            margin-bottom: 20px;
        }

        .ups-form-group.full-width {
            grid-column: span 2;
        }

        .ups-form-group label {
            display: block;
            font-size: 18px;
            color: var(--text);
            margin-bottom: 10px;
            font-weight: 500;
        }

        .ups-form-group input,
        .ups-form-group textarea,
        .ups-form-group select {
            width: 100%;
            padding: 16px;
            border: var(--border);
            border-radius: 10px;
            font-size: 17px;
            transition: var(--transition);
            background: var(--white);
        }

        .ups-form-group input:focus,
        .ups-form-group textarea:focus,
        .ups-form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(66, 165, 245, 0.2);
        }

        .ups-form-group textarea {
            height: 150px;
            resize: vertical;
        }

        .partner-type-selector {
            grid-column: span 2;
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 20px;
        }

        .partner-type-option {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }

        .partner-type-radio {
            width: 24px;
            height: 24px;
            border: 2px solid var(--text-light);
            border-radius: 50%;
            position: relative;
        }

        .partner-type-radio.active {
            border-color: var(--accent);
        }

        .partner-type-radio.active:after {
            content: "";
            position: absolute;
            top: 4px;
            left: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
        }

        .partner-type-label {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
        }

        .partner-type-option.active .partner-type-label {
            color: var(--accent);
        }

        .ups-submit-btn {
            grid-column: span 2;
            background: var(--accent);
            color: var(--white);
            border: none;
            border-radius: 10px;
            padding: 20px;
            font-size: 20px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 20px;
            box-shadow: 0 6px 15px rgba(66, 165, 245, 0.4);
        }

        .ups-submit-btn:hover {
            background: var(--secondary);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        /* 常见问题 */
        .ups-faq-section {
            margin-top: 100px;
        }

        .ups-section-title {
            font-size: 42px;
            color: var(--primary);
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            padding-bottom: 25px;
            font-weight: 700;
        }

        .ups-section-title:after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: var(--accent);
            border-radius: 3px;
        }

        .ups-faq-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .ups-faq-item {
            border-bottom: var(--border);
            margin-bottom: 25px;
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .ups-faq-question {
            font-size: 24px;
            color: var(--primary);
            padding: 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            background: rgba(230, 240, 255, 0.3);
        }

        .ups-faq-question:after {
            content: "";
            display: inline-block;
            width: 24px;
            height: 24px;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2342a5f5"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>');
            background-size: contain;
            transition: var(--transition);
        }

        .ups-faq-item.active .ups-faq-question:after {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2342a5f5"><path d="M19 13H5v-2h14v2z"/></svg>');
        }

        .ups-faq-answer {
            font-size: 20px;
            line-height: 1.8;
            color: var(--text);
            padding: 0 30px 40px;
            display: none;
        }

        .ups-faq-item.active .ups-faq-answer {
            display: block;
        }

        /* 响应式设计 */
        @media (max-width: 1600px) {
            .ups-container {
                padding: 0 50px;
            }
            
            .ups-partner-intro {
                gap: 60px;
            }
            
            .ups-benefits-grid {
                gap: 30px;
            }
            
            .ups-tab-content {
                padding: 60px;
            }
        }

        @media (max-width: 1200px) {
            .ups-container {
                padding: 0 40px;
            }
            
            .ups-page-title {
                font-size: 42px;
            }
            
            .ups-page-subtitle {
                font-size: 20px;
            }
            
            .ups-tab-btn {
                padding: 20px 40px;
                font-size: 20px;
            }
            
            .ups-partner-intro {
                flex-direction: column;
                gap: 50px;
            }
            
            .ups-partner-image {
                width: 100%;
                height: 400px;
            }
            
            .ups-benefits-grid {
                grid-template-columns: 1fr;
            }
            
            .ups-partner-types {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .ups-apply-form {
                grid-template-columns: 1fr;
            }
            
            .ups-form-group.full-width {
                grid-column: span 2;
            }
            
            .ups-submit-btn {
                grid-column: span 1;
            }
            
            .ups-apply-section {
                padding: 50px;
            }
        }

        @media (max-width: 992px) {
            .ups-container {
                padding: 0 30px;
            }
            
            .ups-page-title {
                font-size: 36px;
            }
            
            .ups-tabs {
                flex-direction: column;
                border-bottom: none;
            }
            
            .ups-tab-btn {
                width: 100%;
                text-align: center;
                border-bottom: var(--border);
                padding: 25px;
            }
            
            .ups-tab-content {
                padding: 5px;
            }
            
            .ups-section-title {
                font-size: 36px;
            }
            
            .ups-partner-types {
                grid-template-columns: 1fr;
            }
            
            .ups-type-card.featured {
                transform: scale(1);
            }
            
            .ups-type-card.featured:hover {
                transform: translateY(-10px);
            }
            
            .ups-faq-question {
                font-size: 22px;
            }
        }

        @media (max-width: 768px) {
            .ups-container {
                padding: 0 20px;
            }
            
            .ups-page-title {
                font-size: 32px;
            }
            
            .ups-page-subtitle {
                font-size: 18px;
            }
            
            .ups-partner-title {
                font-size: 28px;
            }
            
            .ups-partner-desc {
                font-size: 18px;
            }
            
            .ups-section-title {
                font-size: 32px;
            }
            
            .ups-apply-title {
                font-size: 28px;
            }
            
            .ups-apply-section {
                padding: 30px;
            }
            
            .ups-benefit-item {
                padding: 20px;
            }
            
            .ups-benefit-content h4 {
                font-size: 20px;
            }
            
            .ups-benefit-content p {
                font-size: 16px;
            }
            
            .partner-type-selector {
                flex-direction: column;
                gap: 15px;
            }
            
            /* 移动设备表单优化 */
            .ups-apply-form {
                gap: 15px;
            }
            
            .ups-form-group {
                margin-bottom: 15px;
                grid-column: span 2;
            }
            
            .ups-form-group input,
            .ups-form-group textarea,
            .ups-form-group select {
                padding: 14px;
                font-size: 16px;
            }
            
            .ups-submit-btn {
                padding: 18px;
                font-size: 18px;
                grid-column: span 2;
            }
        }

        @media (max-width: 576px) {
            .ups-page-title {
                font-size: 28px;
            }
            
            .ups-tab-btn {
                font-size: 18px;
                padding: 20px;
            }
            
            .ups-partner-image {
                height: 300px;
            }
            
            .ups-section-title {
                font-size: 28px;
            }
            
            .ups-faq-question {
                font-size: 20px;
                padding: 20px;
            }
            
            .ups-faq-answer {
                font-size: 18px;
                padding: 0 20px 30px;
            }
            
            /* 进一步优化移动设备表单 */
            .ups-apply-section {
                padding: 20px;
            }
            
            .ups-apply-title {
                font-size: 24px;
                margin-bottom: 30px;
            }
            
            .partner-type-label {
                font-size: 18px;
            }
        }